Hello I'm Cliff Snedeker with Armstrong. Quality counts and we know it. For over a hundred and fifty years Armstrong has been dedicated to providing our customers with quality products they can count on. We back up our grid and installation systems products with more than just warranties, demanding ASTM and seismic testing ensures they perform consistently and carry some of the best load ratings in the industry. Armstrong grid is easy to install and locks together tight for the straight square modules you expect. Our SuperLock and Excel Couplings are engineered for strong secure connections with precise alignment that's always confirmed with an audible click. They are easy to remove and reinstall if needed. The PeakForm engineered bulb is our heavy lifter which ensures load carrying performance in a safe installation. Armstrong suspension systems are truly faster easier better than the competition. Be sure to use Armstrong quality suspension systems on your next job.